3a108ab256
The "undefined symbol" error message from lld-link displays up to 3 references to that symbol, and the number of extra references not shown. This patch removes the computation of the strings for those extra references. It fixes a freeze of lld-link we accidentally encountered when activating asan on a large project, without linking with the asan library. In that case, __asan_report_load8 was referenced more than 2 million times, causing the computation of that many display strings, of which only 3 were used. Differential Revision: https://reviews.llvm.org/D83510
44 lines
1.7 KiB
ArmAsm
44 lines
1.7 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -triple=x86_64-windows-msvc -filetype=obj -o %t.obj %s
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# All references to a single undefined symbol count as a single error -- but
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# at most 10 references are printed.
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# RUN: echo ".globl bar" > %t.moreref.s
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# RUN: echo "bar:" >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: echo ' call "?foo@@YAHXZ"' >> %t.moreref.s
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# RUN: llvm-mc -triple=x86_64-windows-msvc -filetype=obj -o %t2.obj %t.moreref.s
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# RUN: llvm-as %S/Inputs/undefined-symbol-multi-lto.ll -o %t3.obj
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# RUN: not lld-link /out:/dev/null %t.obj %t2.obj %t3.obj 2>&1 | FileCheck %s
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# CHECK: error: undefined symbol: int __cdecl foo(void)
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# CHECK-NEXT: >>> referenced by {{.*}}tmp.obj:(main)
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# CHECK-NEXT: >>> referenced by {{.*}}tmp.obj:(main)
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# CHECK-NEXT: >>> referenced by {{.*}}tmp2.obj:(bar)
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# CHECK-NEXT: >>> referenced 10 more times
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# CHECK-EMPTY:
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# CHECK-NEXT: error: undefined symbol: int __cdecl bar(void)
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# CHECK-NEXT: >>> referenced by {{.*}}.obj:(main)
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# CHECK-NEXT: >>> referenced by {{.*}}.obj:(f1)
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# CHECK-NEXT: >>> referenced by {{.*}}undefined-symbol-multi-lto.ll
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# CHECK-NEXT: >>> {{.*}}tmp3.obj
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.section .text,"xr",one_only,main
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.globl main
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main:
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call "?foo@@YAHXZ"
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call "?foo@@YAHXZ"
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call "?bar@@YAHXZ"
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f1:
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call "?bar@@YAHXZ"
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.Lfunc_end1:
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